次世代ネットワークに関する 世界的な動向調査報告書 ??在の公衆交換電話網(PSTN)では、国際電話や海外へのファクシミリの送信といった、国をまたがる通 信ができるのは当然であるが、それを実現するためには、公衆交換電話網の通信プロトコルやインタフェ ースがグローバルに統一

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  • 2005 1068

    2007 4

  • 1

    ........................................2

    1. .................................................................................................................2 1.1 .........................................................................................................2 1.2 NGN .........................................................................................................2

    2. NGN ..........................................................................................................................3

    2.1 ITU NGN ...................................................................................................4 2.2 FG-NGN ........................................................................................................................4 2.3 NGN-GSI ........................................................................................................................5 2.4 NGN IMS....................................................................................................6

    2.4.1 IMS ........................................................................................................................7 2.5 NGN .............................................................................................................8 2.6 NGN ..............................................................................................11

    2.6.1 NGN 1 ...............................................................................11 2.6.2 ITU NGN .................................................................11 2.6.3 ITU NGN ........................13

    2.7 ETSI TISPAN NGN .................................................................14 2.7.1 TS 187 001 V1.1.1 NGN Security : Requirements.............................................................14 2.7.2 TS 187 003 V1.1.1 NGN Security : Security Architecture.................................................15 2.7.3 NGN ....................................................15

    2.8 X.805 ......................................................................................................................18 2.8.1 X.805 ........................................................................18 2.8.2 X.805 3 ..................................................................18 2.8.3 ................................................................................................19 2.8.4 ..............................................................................................................19 2.8.5 ..........................................................................................................19 2.8.6 ..................................................................................................................20

    2.9 NGN.......................................................................................................22 2.9.1 ITU ...............................................................................22 2.9.2 .........................................................................23

    3. ..........................................................26

    3.1 ...................................................................................................................................26 3.2 ........................................................................................................................29 3.3 ............................................................................................................................29 3.4 ............................................................................................................................33

    3.4.1 ...........................................................................33 3.4.2 NGN ..................................................................................................35

    3.5 ................................................................................................................................38 3.6 ...................................................................................................................................40

    3.6.1 .....................................................................................40 3.6.2 .......................................................................................................41 3.6.3 NGN............................................................................42

  • 2

    3.7 ...................................................................................................................................44 3.7.1 BcN ...................................................................................................................44 3.7.2 BcN .....................................................................................................46

    ..................................................................47

    1. .................................................................................................................47 2. ........................................................................................................................................................51

    2.1 NGN ................................................................................51 2.2 NGN ..........................................................51 2.3 NGN .....................................................................................................................................................51 2.4 .................................................................................................................51 2.5 NGN ............................................................................52 2.6 IP ...................................................................................................................52 2.7 DRM ...........................................................................................................................52 2.8 UDP .........................................52 2.9 IMS ...........................52 2.10 3GPP 3GPP2 ......................................................53 2.11 3GPP, 3GPP2 ..................................................53 2.12 NGN NGN ..........................53 2.13 FMC .........................................................................................................................53 2.14 NGN ................................................................................................53 2.15 .................................................................................................54 2.16 .............................................................54 2.17 PSTN NGN ....................................................54 2.18 .................................................................54 2.19 ...................54 2.20 ...............................................................................................54 2.21 ...............................................................................................55

    ........................................................................................................................................56

    1. ..................................................................................56

    2. ..................................................57

    ...................................................................................................................59

    1. .......................................................................................................................59 2. NGN.............................60

    V ..........................................62

  • 3

    1. 1.1 1) 2) IP 2) ITU(International Telecommunication Union) NGN(Next Genereation Metwork)ITU NGN 2) 1) NGN ITU NGN 1

    QoS

    1.2 NGN (PSTN : Public Switched Telephone Network)()IP NGN NGN 2

    (PSTN) Point to Point //

    1 http://www.itu.int/ITU-T/ngn/definition.html 2 ITU-T NGN FG Proceedings Part II NGN 1 Scope P118-122

  • 4

    PSTN/ISDN

    IP PSTN/ISDN(Integrated Sevices Digital Network)

    PSTN/ISDN

    IP PSTN/ISDN IMS(IP Multimedia Subsystem)IP

    NGN

    VPN OTN(Over the Network)

    ( )

    2. NGN (PSTN)

    ()(International Telecommunication Union : ITU) 3ITU IP(Internet Protocol) IP NGN ITU ITU NGN NGN

    3 ITU http://www.ituaj.jp/03_pl/itu/itu_outline.html

  • 5

    2.1 ITU NGN ITU NGN 2003 JRG(Joint Rapporteur Group)JRG NGN

    Y.2001: General overview of NGN Y.2011: General principles and general reference model for next generation networks

    JRG 2004 5 2005 11 FG-NGN (Focus Group on Next Generation Network) FG-NGN QoS2005 11 NGN 1 NGN 1 NGN FG Proceeding42 2003 2005 ITU-T NGN

    2003

    Y.2001 : General overview of NGN NGN Y.2011 : General principles and general reference model for Next Generation Networks

    NGN

    2005

    NGN 1 FG-NGN NGN 2.2 FG-NGN FG-NGN WG1WG7 7

    WG 1 SR () WG 2 FAM () WG 3 QoS () WG 4 CSC () WG 5 SeC () WG 6 Evol () WG 7 FPBN ()

    FG-NGN

    1. Services requirements and capabilities

    4 http://www.itu.int/ITU-T/ngn/release1.html

  • 6

    2. Functional architecture and mobility 3. Quality of service (QoS) 4. Control aspects (including signalling) 5. Security capability (including authentication) 6. Migration of current networks into NGN (PSTN, ISDN etc.) 7. Future packet based network requirements

    NGN 1 FG-NGN FG-NGN NGN-GSI(Global Standard Initiative)5 2.3 NGN-GSI NGN-GSI SG13 : Next Generation Networks NGN-GSI 6

    SG 2 numbering, naming and addressing SG 4 NGN Management SG 9 cable and television networks etc. SG 11 Network signaling requirements, control functional architectures and protocols in emerging NGN environments SG 12 Performance and quality of service SG13 Next Generation Networks SG 15 broadband access and transport SG 16 multimedia terminals and applications SG 17 NGN Security SG 19 Fixed and Mobile Convergence (FMC) and Mobility Management

    NGN-GSI7

    2 FMC IPv6 NGN End-to-End QoS NGN NGN (2005 JCA-HN(Joint Coordination Activity)) (RFID) IPTV (2006 IPTV-FG(Focus Group))

    NGN-GSI 2007 FG-NGN 1.1 7 5 http://www.itu.int/ITU-T/ngn/index.phtml 6 http://www.itu.int/ITU-T/studygroups/index.phtml 7 ITU-T Next Generation Networks, Nov 2006

  • 7

    ( : ITU-T Next Generation Networks, Nov 2006)

    1.1 NGN-GSI FG-NGN 2.4 NGN IMS NGNIPIP() IP SIP(Session Initiation Protocol)8SIP IMS (IP Multimedia Subsystem)NGN

    NGNQoS IMS SIP SIP IETF(Internet Engineering Task Force)9IMS 3 3GPP(3rd Generation Partnership Project)10ITU-T3GPP Release7 IMS 8 http://www.ietf.org/rfc/rfc3261.txt?number=3261 9 http://www.ietf.org/ 10 http://www.3gpp.org/

  • 8

    2.4.1 IMS IMS SIPIMS11

    () QoS

    IMS 1.2 11

    ( : TTC NGN 1)

    IMS UE : User Equipment HSS : Home Subscriber Server : P-CSCF : Proxy Call Session Control Function SIP S-CSCF : Serving Call Session Control Function ISP SIP AS : Application Server PSTN : Public Switched Telephone Network PCF : Policy Control Function MGW : Media Gateway MGCF : Media Gateway Control Function MRFC : Media Resource Function Controler

    11 TTC NGN 1 (2006 10)

  • 9

    1.2 IMS

  • 10

    2.5 NGN NGN Y.2011 NGNY.2011NGN NGN

    NGN

    NGN 1.3 12

    ( ITU-T Y.2011)

    12 ITU-T Y.2011

  • 11

    ( ITU-T Y.2011)

    1.3 NGN NGN 1.4 7 NGN 1

    ( : ITU-T Next Generation Networks, Nov 2006)

    1.4 NGN

    Resource and Admission Control Functions

    RACF

    Network AccessAttachment Functions

    NAAF

    Other MultimediaComponents

    Streaming Services

    Application Functions

    Core transport

    Functions

    Access Transport

    FunctionsNGN

    Terminals

    CustomerNetworks

    UserProfile

    Functions

    Other N

    etworks

    LegacyTerminals

    GW

    PSTN / ISDN Emulation

    IP MultimediaComponent

    NNITransport Stratum

    Service Stratum

    UNI

    Edge FuntionsAccess

    Functions

    Service and

    Control Functions

    Customer andTerminal Funct. QoS Aspects and one part of Control aspect

    (IP QoS signaling Requirement)

    Release 1 coverage

    Resource and Admission Control Functions

    RACF

    Network AccessAttachment Functions

    NAAF

    Other MultimediaComponents

    Streaming Services

    Application Functions

    Core transport

    Functions

    Access Transport

    FunctionsNGN

    Terminals

    CustomerNetworks

    UserProfile

    Functions

    Other N

    etworks

    LegacyTerminals

    GW

    PSTN / ISDN Emulation

    IP MultimediaComponent

    NNITransport Stratum

    Service Stratum

    UNI

    Edge FuntionsAccess

    Functions

    Service and

    Control Functions

    Customer andTerminal Funct. QoS Aspects and one part of Control aspect

    (IP QoS signaling Requirement)

    Release 1 coverage

  • 12

    1.5 7

    ( : ITU-T Next Generation Networks, Nov 2006)

    1.5 NGN 1.613

    ( : IP NGN)

    1.6 NGN

    13 IP NGN http://ngnforum.nict.go.jp/

    Access Independent

    (CoreTransport)Network

    Service/Network Control

    Platform

    Application

    Multi-layer Service Edge

    PresenceQoS/Traffic Control

    RADIUS

    SIP

    SingleSign-On Server

    AccountingMulti-point

    video-conference

    HomeAgent

    CertificationAuthority

    NWdefense

    HGWmanagement

    ONUONU

    Service Node

    ADSL modem

    Core Node

    MCWDMDSLAM

    MC

    MC

    MC

    Distribution Function

    BusinessUser

    HGW

    OLT

    V-ONU

    HE

    V-OLT

    Visual System

    Mass User

    OtherNetwork

    GWPSTN

    Community CollaborationCommunity Collaboration ContentsContents CommerceCommerce

    Ubiquitous NetworkUser

    Network

    AccessDependentNetwork

    BS

    RMC

    MSC

    Transportstratum

    Servicestratum

    GW

    GW

    Wireline AccessRAN HE: Head endMSC: Mobile Switching

    Center RMC: Radio Media

    ConverterBS: Base StationDSLAM: Digital Subscriber

    Access ModuleOLT: Optical Line TerminalONU: Optical Network UnitMC: Media Converter

    NNI

    UNI

  • 13

    NGN 1 ETSI(European Telecommunications Standards Institute)14 TISPAN(Telecommunications and Internet converged Services and Protocols for Advanced Networking)15 2007 1 2416TISPAN NGN 22007 5 2.6 NGN 2.6.1 NGN 1 2005 NGN 117

    X.805

    NGN IP(IP-CAN) NGN

    IMS IMS NGN NGN VoIP

    2.6.2 ITU NGN ITU NGNSG17 Lead Study Group18 SG13NGNNGNNGNNGN2006 7 19NGN 1 Y.2701 (Y.NGN-Security) : Security Requirements for NGN Release 1NGN

    14 http://www.etsi.org/ 15 http://www.etsi.org/tispan/ 16 http://portal.etsi.org/docbox/TISPAN/Open/Information/TISPAN_WorkPlan/ 17 NGN FG Proceedings Part I P75-76 18 www.itu.int/ITU-T/studygroups/com17/tel-security.html 19 http://www.itu.int/events/eventdetails.asp?lang=en&eventid=7643

  • 14

    Y.2701 11 End-to-End X.805 NGN NGN 3

    tr...

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